| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | primary | 589 |
48.8%
|
| 2 | secondary i | 176 |
14.6%
|
| 3 | secondary ii | 67 |
5.6%
|
| 4 | higher | 79 |
6.6%
|
| 8 | dk | 295 |
24.5%
|
| Sysmiss | 4622 |